While on routine patrol, police officers observed a driver making an illegal U-turn. After stopping the driver's car, they saw him reach under the driver's seat. They ordered him out of the car and saw a cellophane package protruding from under the seat. The package contained a white powdery substance, which the officers suspected to be cocaine.

a.The officers placed the driver under arrest and put him in the rear of their patrol car.
b.They then proceeded to search the rest of the driver's car.
c.In the trunk they found an assault rifle that was later determined to be the weapon used in a liquor store robbery.
d.Charged with that robbery, the driver moved to suppress the assault rifle as evidence on the grounds that the police did not have a warrant to search the trunk.

They proceeded to search the rest of the car
in the trunk they found an assault rifle that was later determined to be the weapon used in a liquor store robbery
The officers placed the driver under arrest and put him in the rear of their patrol car
charged with that robbery, the driver moved to suppress the assault rifle as evidence on the grounds that the police did not have a warrant to search the trunk

Explanation:

The order of events that occurs when a routine patrol police officer stops a driver suspected to be driving against traffic or driving under the influence includes:Asking the driver for his/her ID, asking/ordering the driver out of the car if he/she seems dangerous after which a through search of the car would be conducted to ensure that the driver is not in possession of contraband and illegal firearms, if any of this conditions is not met the police will place the driver under arrest and charge the driver.